> How did you measure CPU usage over the period of time ?>> I can't tell you for sure, but here's a few thinking points.> - dbwriter and other background processes - are these accounted in DB CPU ?> - LMS processes - are these accounted in DB CPU ?> - listener, clusterware, process initialization - those are not accounted> for>>> --> Christo Kutrovsky> Senior Consultant> The Pythian Group>